Mapangidwe, Sayansi
Mfundo ntchito injini dizilo mu makhazikitsidwe zamakono
Tisanafotokoze anakhudza mutu wa wamba injini dizilo wagawo zingakhale zothandiza kupanga ulendo tating'ono zakale ndi mme- amene anatulukira mfundo za injini dizilo, komanso chitukuko cha injini pa XX atumwi.
Injiniya amene anayambitsa pomanga injini choyamba ntchito mafuta madzi monga gwero mphamvu, anali Rudolf Dizel. Ngakhale kumapeto kwa zaka za m'ma 19, anapeza ntchito nthawi zotsatira poyatsira wa mafuta mkati mwa m'chipinda, umene kotheka kupeza mphamvu kuti kungachititse pa kasinthasintha wa crankshaft lapansi. Kuyambira nthawi imeneyo, ndipo m'badwo wa injini dizilo mkati kuyaka. The mpikisano waukulu mayunitsi dizilo anali injini mafuta kuti anapambana chifukwa chakuti iwo akanakhoza kupereka mlingo wapamwamba kasinthasintha. Only mu 30s wa XX m'ma German injiniya Robert Bosch anali wokhoza kuti amange nyumba yoyamba mapampu nthawi angapo a kuthamanga, amene anapereka pofuna kukwaniritsa injini dizilo.
Mfundo ntchito injini dizilo zachokera chakuti poyatsira wa osakaniza kuyaka mu zonenepa injini si chifukwa mphamvu kuchokera mapulagi, ndi chifukwa pofuna amene dizilo. Ngati injini mafuta mafuta ndi wothira mpweya asanalowe yamphamvu mu injini dizilo, mpweya kutsukidwa akulowa yamphamvu monga pisitoni ukusunthira pansi, kenako pali dizilo jekeseni, ndi osakaniza chifukwa unakhazikitsidwa a kuthamanga flammable. Chifukwa ndi wamphamvu kwambiri mkangano mphamvu, choncho ukuwonjezeka injini mphamvu zayamba. Choncho, mfundo ya injini dizilo zachokera pa psinjika amphamvu wa mafuta osakaniza ndi poyatsira ake.
Pali Komabe, kuipa angapo amagwirizana ndi maonekedwe a mpweya ndi mafuta yokha. chakuti pansi chisanu katundu kutentha wothinikizidwa mpweya angakhale osakwanira kwa poyatsira ya dizilo, ndi kugwirizana ndi mavuto ena pamene kuyambira injini magalimoto dizilo mu nyengo yozizira. Komabe, mu aggregates ano dizilo, osati galimoto komanso ntchito mafakitale ntchito preheating mpweya Kutentha dongosolo lomwe pafupifupi kumatha vuto.
injini Dizilo ankagwiritsa ntchito lero mu shipbuilding ndi ndege makampani, kumene iwo atsimikizira kuti odalirika ndi cholimba dongosolo ndi moyo utumiki yaitali. Komanso, injini ya mtundu umenewu ochuluka mu turbines lapansi. Choncho mfundo ya ntchito kwa chopangira mphamvu ya injini dizilo ndi ntchito okwana mphamvu akuwuka kwa kuyaka kwa mafuta pa ntchito makina chopangira mphamvu.
Mwatsoka, amapita ena nthano za injini dizilo, Pakati zotsatirazi ndi ambiri mu malo a ziziyenda:
- mokweza kwambiri ntchito injini dizilo;
- Akuchedwa ntchito injini;
- ntchito ndalama;
- chiyambi zoipa ozizira.
Pa mfundo lotsiriza, ife tapeza, ndipo tsopano injini dizilo ntchito mfundo sikudalira kutentha yozungulira. Koma ntchito kwambiri ndalama, izo zinali isanafike, pamene mtengo wa dizilo anali 3-pindani poyerekeza mtengo wa mafuta. Masiku ano, ntchito yaikulu ya injini dizilo ndi mphamvu zambiri ndi moyo utumiki yaitali galimoto ndi. Ngati ife kulankhula za mokweza ndi wosakwiya ntchito, mfundo kwambiri olimbana dizilo refutes amenewa, chifukwa pamene bwino kukhazikitsidwa injini ndi zikhalidwe za ntchito yake ukhala iwe mokhulupirika kwa nthawi yaitali.
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